64 51 591 Removing and installing/replacing evaporator

WARNING: This page is about a different car, the 2010 BMW M5, 2009 BMW M5, and 2008 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove heater. See 64 11 206 Removing And Installing Or Replacing Heater .
Remove heater core. See 64 11 208 Replacing Heater Core .
Remove expansion valve. See 64 51 525 Removing And Installing Or Replacing Expansion Valve .
Remove rear compartment air duct. See 64 11 213 Removing And Installing/Replacing Heater - A/C Unit Fan .
Remove fan for heater/air conditioner. See 64 11 213 REMOVING AND INSTALLING/REPLACING HEATER - A/C unit fan .
Remove servodrive of left fresh-air/recirculated-air flap. See 64 11 803 Removing And Installing/Replacing Servodrive For Left Fresh-Air/Recirculated-Air Flap .

Carefully pull off bulkhead seals (1) from heater/air conditioner (2) so that there are no remaining parts left behind.

Installation:

Replace bulkhead seals (1).

Fig 1: Replacing Bulkhead Seals

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Release screws (1).

Press lock (2).

Remove pipe holder (3) complete with pipes (4).

Fig 2: Removing Pipe Holder Complete With Pipes

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Release screws (1).

Fig 3: Releasing Screws

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Release screws (1).

Installation:

Make sure flaps (2) are correctly seated in mountings (3).

Fig 4: Identifying Flaps

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Release screws (1).

Remove upper housing section (2) in direction of arrow.

Installation:

Make sure upper housing section (2) is correctly seated on lower housing section.

Make sure flaps (3) are correctly seated in mountings (4).

Fig 5: Removing Upper Housing Section

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Release screws (1).

Release clip (2).

Remove cover (3) in direction of arrow.

Installation:

Make sure cover (3) is correctly seated.

Fig 6: Removing Cover

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IMPORTANT: Do not bend radiator fins.

If necessary, clean or straighten radiator fins with slat comb.

Pull evaporator (1) in direction of arrow out of lower housing section (2).

Installation:

If necessary, replace seal (3).

Make sure seal (3) is correctly seated in lower housing section (2).

Fig 7: Pulling Evaporator

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Replacement:

Remove plate (2) and seal (3) from evaporator (3).

Fig 8: Removing Plate And Seal From Evaporator

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